3-Cyano-2-(difluoromethyl)-6-nitropyridine-4-methanol
2-Cyano-6-(difluoromethyl)-3-nitropyridine-5-carboxylic acid
Ethyl 4-(bromomethyl)-2-cyano-3-(difluoromethyl)pyridine-5-carboxylate
Ethyl 3-(bromomethyl)-4-cyano-2-(difluoromethyl)pyridine-5-carboxylate